WebARX firewall is compatible with all WordPress and PHP websites. You can find the installation guide for the PHP firewall at our public Git repository.
On non-WordPress sites, aside from the firewall, we provide the monitoring features such as hourly monitoring, blacklist checks, SSL certificate check, domain expiration check, security headers check, mentions on hacking communities.
You can find more info about PHP security with WebARX here.
Also, read tips and news about website security from our security blog.